Self-hostable scheduling software for appointments and bookings with customizable booking pages, availability rules, reminders, and integrations for teams and developers.

46.9k stars14.6k forksMITlast commit Actively maintained
Online scheduling service for individuals and teams to coordinate meeting times via availability polls and booking pages. Offers calendar sync (Google/Outlook/ICS), reminders, and integrations with conferencing and calendar apps.
Self-hostable scheduling software for appointments and bookings with customizable booking pages, availability rules, reminders, and integrations for teams and developers.

46.9k stars14.6k forksMITlast commit Actively maintained
Open-source, self-hosted polling tool to find the best date/time with no login required.

5.2k stars541 forksAGPL-3.0last commit Actively maintained
Open source appointment scheduler for customer bookings, provider management, and Google Calendar sync, deployable on your own PHP/MySQL server.

4.3k stars1.5k forksGPL-3.0last commit Actively maintained
Open-source task scheduler and calendar app that auto-plans tasks, syncs with external calendars, and provides a modern UI for managing time blocks and workflows.

979 stars68 forksMITlast commit Actively maintained
Django-based application to create date/time polls and general surveys for scheduling meetings, with anonymous voting, private events, and LDAP support.
312 stars40 forksGPL-3.0last commit Actively maintained
Free/libre web service for creating date-based scheduling polls and classic option polls; no registration required. Operated by Framasoft and built on the Pollaris open-source project.
Activity unknown
A lightweight, curl-first free/busy scheduler that syncs availability from a CalDAV calendar and can send iCal booking invites via SMTP.

Activity unknown
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 5 of 7 shipped a commit in the last six months. Licences in this list: MIT, AGPL-3.0, GPL-3.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Scheduling, Booking & Appointments.